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<p><span style="border-bottom: solid 1px grey;">Generated by Cython 0.29</span></p>
<p>
<span style="background-color: #FFFF00">Yellow lines</span> hint at Python interaction.<br />
Click on a line that starts with a "<code>+</code>" to see the C code that Cython generated for it.
</p>
<p>Raw output: <a href="rleEncode.c">rleEncode.c</a></p>
<div class="cython"><pre class="cython line score-8" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">001</span>: #!python</pre>
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</pre><pre class="cython line score-0"> <span class="">002</span>: #cython: language_level=3, boundscheck=False, wraparound=False, nonecheck=False, initializedcheck=False</pre>
<pre class="cython line score-0"> <span class="">003</span>: </pre>
<pre class="cython line score-0"> <span class="">004</span>: cimport cython</pre>
<pre class="cython line score-8" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">005</span>: import numpy as numpy</pre>
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</pre><pre class="cython line score-0"> <span class="">006</span>: cimport numpy as numpy</pre>
<pre class="cython line score-11" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">007</span>: DTYPE = numpy.uint8</pre>
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</pre><pre class="cython line score-0"> <span class="">008</span>: ctypedef numpy.uint8_t DTYPE_t</pre>
<pre class="cython line score-0"> <span class="">009</span>: #!python</pre>
<pre class="cython line score-0"> <span class="">010</span>: @cython.wraparound (False) # turn off negative indexing</pre>
<pre class="cython line score-0"> <span class="">011</span>: @cython.boundscheck(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">012</span>: @cython.nonecheck(False)</pre>
<pre class="cython line score-33" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">013</span>: def encodedBitmap_Bytes_numpy1DBlock(numpy.ndarray[DTYPE_t,ndim=1] surfOrFile):</pre>
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</pre><pre class="cython line score-0"> <span class="">014</span>: """ Converts image data from file on disk to RLE encoded byte string.</pre>
<pre class="cython line score-0"> <span class="">015</span>: Encoding scheme:</pre>
<pre class="cython line score-0"> <span class="">016</span>: Highest bit of each byte is color (black or white)</pre>
<pre class="cython line score-0"> <span class="">017</span>: Lowest 7 bits of each byte is repetition of that color, with max of 125 / 0x7D</pre>
<pre class="cython line score-0"> <span class="">018</span>: Credits for speed to:</pre>
<pre class="cython line score-0"> <span class="">019</span>: https://kogs-www.informatik.uni-hamburg.de/~seppke/content/teaching/wise1314/20131128_letsch-gries-boomgarten-cython.pdf</pre>
<pre class="cython line score-0"> <span class="">020</span>: https://stackoverflow.com/questions/53135050/why-is-cython-only-20-faster-on-runlengthencode-b-w-image</pre>
<pre class="cython line score-0"> <span class="">021</span>: """</pre>
<pre class="cython line score-0"> <span class="">022</span>: # Make room for rleData</pre>
<pre class="cython line score-29" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">023</span>: cdef numpy.ndarray [DTYPE_t,ndim=1] rleData = numpy.zeros((3686400),dtype=DTYPE)</pre>
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</pre><pre class="cython line score-0"> <span class="">024</span>: </pre>
<pre class="cython line score-0"> <span class="">025</span>: # Some constants for nr of pixels and last pixelnr</pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">026</span>: cdef unsigned int nrPixels = 3686400 #(width, height) = (1440, 2560)</pre>
<pre class='cython code score-0 '> __pyx_v_nrPixels = 0x384000;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">027</span>: cdef unsigned int lastPixel = nrPixels - 1</pre>
<pre class='cython code score-0 '> __pyx_v_lastPixel = (__pyx_v_nrPixels - 1);
</pre><pre class="cython line score-0"> <span class="">028</span>: </pre>
<pre class="cython line score-0"> <span class="">029</span>: # Count number of pixels with same color up until 0x7D/125 repetitions</pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">030</span>: cdef unsigned char color = 0</pre>
<pre class='cython code score-0 '> __pyx_v_color = 0;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">031</span>: cdef unsigned char prevColor = 0</pre>
<pre class='cython code score-0 '> __pyx_v_prevColor = 0;
</pre><pre class="cython line score-0"> <span class="">032</span>: cdef unsigned char r</pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">033</span>: cdef unsigned char nrOfColor = 0</pre>
<pre class='cython code score-0 '> __pyx_v_nrOfColor = 0;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">034</span>: cdef unsigned char encValue = 0</pre>
<pre class='cython code score-0 '> __pyx_v_encValue = 0;
</pre><pre class="cython line score-0"> <span class="">035</span>: cdef unsigned int pixelNr</pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">036</span>: cdef unsigned int nrBytes=0</pre>
<pre class='cython code score-0 '> __pyx_v_nrBytes = 0;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">037</span>: prevColor = surfOrFile[0] >> 7 #prevColor = nocolor</pre>
<pre class='cython code score-0 '> __pyx_t_5 = 0;
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</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">038</span>: for pixelNr in range(nrPixels):</pre>
<pre class='cython code score-0 '> __pyx_t_6 = __pyx_v_nrPixels;
__pyx_t_7 = __pyx_t_6;
for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_pixelNr = __pyx_t_8;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">039</span>: r = surfOrFile[pixelNr]</pre>
<pre class='cython code score-0 '> __pyx_t_9 = __pyx_v_pixelNr;
__pyx_v_r = (*__Pyx_BufPtrStrided1d(__pyx_t_9rleEncode_DTYPE_t *, __pyx_pybuffernd_surfOrFile.rcbuffer->pybuffer.buf, __pyx_t_9, __pyx_pybuffernd_surfOrFile.diminfo[0].strides));
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">040</span>: color = r >> 7 #if (r<128) color = 1 else: color = 0</pre>
<pre class='cython code score-0 '> __pyx_v_color = (__pyx_v_r >> 7);
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">041</span>: if color == prevColor and nrOfColor < 0x7D:# and not isLastPixel:</pre>
<pre class='cython code score-0 '> __pyx_t_11 = ((__pyx_v_color == __pyx_v_prevColor) != 0);
if (__pyx_t_11) {
} else {
__pyx_t_10 = __pyx_t_11;
goto __pyx_L6_bool_binop_done;
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__pyx_t_11 = ((__pyx_v_nrOfColor < 0x7D) != 0);
__pyx_t_10 = __pyx_t_11;
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</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">042</span>: nrOfColor = nrOfColor + 1</pre>
<pre class='cython code score-0 '> __pyx_v_nrOfColor = (__pyx_v_nrOfColor + 1);
</pre><pre class="cython line score-0"> <span class="">043</span>: else:</pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">044</span>: encValue = (prevColor << 7) | nrOfColor # push color (B/W) to highest bit and repetitions to lowest 7 bits.</pre>
<pre class='cython code score-0 '> /*else*/ {
__pyx_v_encValue = ((__pyx_v_prevColor << 7) | __pyx_v_nrOfColor);
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">045</span>: rleData[nrBytes]=encValue</pre>
<pre class='cython code score-0 '> __pyx_t_12 = __pyx_v_nrBytes;
*__Pyx_BufPtrStrided1d(__pyx_t_9rleEncode_DTYPE_t *, __pyx_pybuffernd_rleData.rcbuffer->pybuffer.buf, __pyx_t_12, __pyx_pybuffernd_rleData.diminfo[0].strides) = __pyx_v_encValue;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">046</span>: nrBytes = nrBytes+1</pre>
<pre class='cython code score-0 '> __pyx_v_nrBytes = (__pyx_v_nrBytes + 1);
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">047</span>: prevColor = color</pre>
<pre class='cython code score-0 '> __pyx_v_prevColor = __pyx_v_color;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">048</span>: nrOfColor = 1</pre>
<pre class='cython code score-0 '> __pyx_v_nrOfColor = 1;
}
__pyx_L5:;
}
</pre><pre class="cython line score-0"> <span class="">049</span>: # Handle lastpixel, we did nrOfColor++ once too many</pre>
<pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">050</span>: nrOfColor=nrOfColor-1</pre>
<pre class='cython code score-0 '> __pyx_v_nrOfColor = (__pyx_v_nrOfColor - 1);
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">051</span>: encValue = (prevColor << 7) | nrOfColor # push color (B/W) to highest bit and repetitions to lowest 7 bits.</pre>
<pre class='cython code score-0 '> __pyx_v_encValue = ((__pyx_v_prevColor << 7) | __pyx_v_nrOfColor);
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">052</span>: rleData[nrBytes] = encValue</pre>
<pre class='cython code score-0 '> __pyx_t_13 = __pyx_v_nrBytes;
*__Pyx_BufPtrStrided1d(__pyx_t_9rleEncode_DTYPE_t *, __pyx_pybuffernd_rleData.rcbuffer->pybuffer.buf, __pyx_t_13, __pyx_pybuffernd_rleData.diminfo[0].strides) = __pyx_v_encValue;
</pre><pre class="cython line score-0" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">053</span>: nrBytes = nrBytes + 1</pre>
<pre class='cython code score-0 '> __pyx_v_nrBytes = (__pyx_v_nrBytes + 1);
</pre><pre class="cython line score-0"> <span class="">054</span>: </pre>
<pre class="cython line score-0"> <span class="">055</span>: # Remove excess bytes and return rleData</pre>
<pre class="cython line score-32" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">056</span>: rleData=rleData[:nrBytes]</pre>
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</pre><pre class="cython line score-3" onclick="(function(s){s.display=s.display==='block'?'none':'block'})(this.nextElementSibling.style)">+<span class="">057</span>: return bytes(rleData)</pre>
<pre class='cython code score-3 '> <span class='pyx_macro_api'>__Pyx_XDECREF</span>(__pyx_r);
__pyx_t_3 = <span class='pyx_c_api'>__Pyx_PyObject_CallOneArg</span>(((PyObject *)(&PyBytes_Type)), ((PyObject *)__pyx_v_rleData));<span class='error_goto'> if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 57, __pyx_L1_error)</span>
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goto __pyx_L0;
</pre><pre class="cython line score-0"> <span class="">058</span>: </pre>
<pre class="cython line score-0"> <span class="">059</span>: """</pre>
<pre class="cython line score-0"> <span class="">060</span>: #OLD CALLS Stl2Slices.py</pre>
<pre class="cython line score-0"> <span class="">061</span>: </pre>
<pre class="cython line score-0"> <span class="">062</span>: #rlestack.append (PhotonFile.encodedBitmap_Bytes_withnumpy(imgarr8))</pre>
<pre class="cython line score-0"> <span class="">063</span>: #rlestack.append(rleEncode.encodedBitmap_Bytes_nonumpy(imgarr8.tolist()))</pre>
<pre class="cython line score-0"> <span class="">064</span>: #rlestack.append(rleEncode.encodedBitmap_Bytes_nonumpy1D(img1D.tolist()))</pre>
<pre class="cython line score-0"> <span class="">065</span>: #rlestack.append(rleEncode.encodedBitmap_Bytes_nonumpy1DBlock(img1D.tolist()))</pre>
<pre class="cython line score-0"> <span class="">066</span>: #rlestack.append(rleEncode.encodedBitmap_Bytes_withnumpy(img1D))</pre>
<pre class="cython line score-0"> <span class="">067</span>: #rlestack.append(rleEncode.encodedBitmap_Bytes_withnumpy2(img1D))</pre>
<pre class="cython line score-0"> <span class="">068</span>: </pre>
<pre class="cython line score-0"> <span class="">069</span>: #OLD DEFS</pre>
<pre class="cython line score-0"> <span class="">070</span>: </pre>
<pre class="cython line score-0"> <span class="">071</span>: #!python</pre>
<pre class="cython line score-0"> <span class="">072</span>: cimport cython</pre>
<pre class="cython line score-0"> <span class="">073</span>: </pre>
<pre class="cython line score-0"> <span class="">074</span>: #!python</pre>
<pre class="cython line score-0"> <span class="">075</span>: @cython.wraparound (False) #turn off negative indexing</pre>
<pre class="cython line score-0"> <span class="">076</span>: @cython.boundscheck(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">077</span>: def encodedBitmap_Bytes_nonumpy(list surfOrFile not None):</pre>
<pre class="cython line score-0"> <span class="">078</span>: </pre>
<pre class="cython line score-0"> <span class="">079</span>: #(width, height) = (1440, 2560)</pre>
<pre class="cython line score-0"> <span class="">080</span>: cdef unsigned int width = 1440</pre>
<pre class="cython line score-0"> <span class="">081</span>: cdef unsigned int height= 2560</pre>
<pre class="cython line score-0"> <span class="">082</span>: cdef unsigned int lastX = width - 1</pre>
<pre class="cython line score-0"> <span class="">083</span>: cdef unsigned int lastY = height - 1</pre>
<pre class="cython line score-0"> <span class="">084</span>: </pre>
<pre class="cython line score-0"> <span class="">085</span>: # Count number of pixels with same color up until 0x7D/125 repetitions</pre>
<pre class="cython line score-0"> <span class="">086</span>: rleData = bytearray() # convert bytearray to cdef array has no speed benefit</pre>
<pre class="cython line score-0"> <span class="">087</span>: cdef unsigned char color = 0</pre>
<pre class="cython line score-0"> <span class="">088</span>: cdef unsigned char prevColor = 0</pre>
<pre class="cython line score-0"> <span class="">089</span>: cdef unsigned char black = 0</pre>
<pre class="cython line score-0"> <span class="">090</span>: cdef unsigned char white = 1</pre>
<pre class="cython line score-0"> <span class="">091</span>: cdef unsigned char nocolor=3</pre>
<pre class="cython line score-0"> <span class="">092</span>: cdef unsigned char r</pre>
<pre class="cython line score-0"> <span class="">093</span>: cdef unsigned char nrOfColor = 0</pre>
<pre class="cython line score-0"> <span class="">094</span>: cdef unsigned char encValue = 0</pre>
<pre class="cython line score-0"> <span class="">095</span>: cdef unsigned int x</pre>
<pre class="cython line score-0"> <span class="">096</span>: cdef unsigned int y</pre>
<pre class="cython line score-0"> <span class="">097</span>: cdef unsigned int lastLine = False</pre>
<pre class="cython line score-0"> <span class="">098</span>: cdef unsigned int isLastPixel = False</pre>
<pre class="cython line score-0"> <span class="">099</span>: prevColor = nocolor</pre>
<pre class="cython line score-0"> <span class="">100</span>: </pre>
<pre class="cython line score-0"> <span class="">101</span>: for y in range(height):</pre>
<pre class="cython line score-0"> <span class="">102</span>: lastLine = (y==lastY)</pre>
<pre class="cython line score-0"> <span class="">103</span>: for x in range(width):</pre>
<pre class="cython line score-0"> <span class="">104</span>: # print (x,y,(surfOrFile[y][x]))</pre>
<pre class="cython line score-0"> <span class="">105</span>: r = surfOrFile[y][x]</pre>
<pre class="cython line score-0"> <span class="">106</span>: if (r and 0b10000000): #if (r<128)</pre>
<pre class="cython line score-0"> <span class="">107</span>: color = white</pre>
<pre class="cython line score-0"> <span class="">108</span>: else:</pre>
<pre class="cython line score-0"> <span class="">109</span>: color = black</pre>
<pre class="cython line score-0"> <span class="">110</span>: if prevColor == nocolor: prevColor = color</pre>
<pre class="cython line score-0"> <span class="">111</span>: isLastPixel = (x == lastX and lastLine)</pre>
<pre class="cython line score-0"> <span class="">112</span>: if color == prevColor and nrOfColor < 0x7D and not isLastPixel:</pre>
<pre class="cython line score-0"> <span class="">113</span>: nrOfColor = nrOfColor + 1</pre>
<pre class="cython line score-0"> <span class="">114</span>: else:</pre>
<pre class="cython line score-0"> <span class="">115</span>: # print (color,nrOfColor,nrOfColor<<1)</pre>
<pre class="cython line score-0"> <span class="">116</span>: encValue = (prevColor << 7) | nrOfColor # push color (B/W) to highest bit and repetitions to lowest 7 bits.</pre>
<pre class="cython line score-0"> <span class="">117</span>: rleData.append(encValue)</pre>
<pre class="cython line score-0"> <span class="">118</span>: prevColor = color</pre>
<pre class="cython line score-0"> <span class="">119</span>: nrOfColor = 1</pre>
<pre class="cython line score-0"> <span class="">120</span>: </pre>
<pre class="cython line score-0"> <span class="">121</span>: return bytes(rleData)</pre>
<pre class="cython line score-0"> <span class="">122</span>: </pre>
<pre class="cython line score-0"> <span class="">123</span>: #!python</pre>
<pre class="cython line score-0"> <span class="">124</span>: @cython.wraparound (False) #turn off negative indexing</pre>
<pre class="cython line score-0"> <span class="">125</span>: @cython.boundscheck(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">126</span>: @cython.nonecheck(False)</pre>
<pre class="cython line score-0"> <span class="">127</span>: def encodedBitmap_Bytes_nonumpy1D(list surfOrFile not None):</pre>
<pre class="cython line score-0"> <span class="">128</span>: #(width, height) = (1440, 2560)</pre>
<pre class="cython line score-0"> <span class="">129</span>: cdef unsigned int nrPixels = 3686400</pre>
<pre class="cython line score-0"> <span class="">130</span>: cdef unsigned int lastPixel = nrPixels - 1</pre>
<pre class="cython line score-0"> <span class="">131</span>: </pre>
<pre class="cython line score-0"> <span class="">132</span>: # Count number of pixels with same color up until 0x7D/125 repetitions</pre>
<pre class="cython line score-0"> <span class="">133</span>: rleData = bytearray() # convert bytearray to cdef array has no speed benefit</pre>
<pre class="cython line score-0"> <span class="">134</span>: cdef unsigned char color = 0</pre>
<pre class="cython line score-0"> <span class="">135</span>: cdef unsigned char prevColor = 0</pre>
<pre class="cython line score-0"> <span class="">136</span>: cdef unsigned char black = 0</pre>
<pre class="cython line score-0"> <span class="">137</span>: cdef unsigned char white = 1</pre>
<pre class="cython line score-0"> <span class="">138</span>: cdef unsigned char nocolor=3</pre>
<pre class="cython line score-0"> <span class="">139</span>: cdef unsigned char r</pre>
<pre class="cython line score-0"> <span class="">140</span>: cdef unsigned char nrOfColor = 0</pre>
<pre class="cython line score-0"> <span class="">141</span>: cdef unsigned char encValue = 0</pre>
<pre class="cython line score-0"> <span class="">142</span>: cdef unsigned int pixelNr</pre>
<pre class="cython line score-0"> <span class="">143</span>: cdef unsigned int isLastPixel = False</pre>
<pre class="cython line score-0"> <span class="">144</span>: prevColor = nocolor</pre>
<pre class="cython line score-0"> <span class="">145</span>: </pre>
<pre class="cython line score-0"> <span class="">146</span>: for pixelNr in range(nrPixels):</pre>
<pre class="cython line score-0"> <span class="">147</span>: r = surfOrFile[pixelNr]</pre>
<pre class="cython line score-0"> <span class="">148</span>: if (r and 0b10000000): #if (r<128)</pre>
<pre class="cython line score-0"> <span class="">149</span>: color = white</pre>
<pre class="cython line score-0"> <span class="">150</span>: else:</pre>
<pre class="cython line score-0"> <span class="">151</span>: color = black</pre>
<pre class="cython line score-0"> <span class="">152</span>: if prevColor == nocolor: prevColor = color</pre>
<pre class="cython line score-0"> <span class="">153</span>: isLastPixel = (pixelNr == lastPixel)</pre>
<pre class="cython line score-0"> <span class="">154</span>: if color == prevColor and nrOfColor < 0x7D and not isLastPixel:</pre>
<pre class="cython line score-0"> <span class="">155</span>: nrOfColor = nrOfColor + 1</pre>
<pre class="cython line score-0"> <span class="">156</span>: else:</pre>
<pre class="cython line score-0"> <span class="">157</span>: # print (color,nrOfColor,nrOfColor<<1)</pre>
<pre class="cython line score-0"> <span class="">158</span>: encValue = (prevColor << 7) | nrOfColor # push color (B/W) to highest bit and repetitions to lowest 7 bits.</pre>
<pre class="cython line score-0"> <span class="">159</span>: rleData.append(encValue)</pre>
<pre class="cython line score-0"> <span class="">160</span>: prevColor = color</pre>
<pre class="cython line score-0"> <span class="">161</span>: nrOfColor = 1</pre>
<pre class="cython line score-0"> <span class="">162</span>: </pre>
<pre class="cython line score-0"> <span class="">163</span>: return bytes(rleData)</pre>
<pre class="cython line score-0"> <span class="">164</span>: </pre>
<pre class="cython line score-0"> <span class="">165</span>: from cpython cimport array</pre>
<pre class="cython line score-0"> <span class="">166</span>: #!python</pre>
<pre class="cython line score-0"> <span class="">167</span>: @cython.wraparound (False) # turn off negative indexing</pre>
<pre class="cython line score-0"> <span class="">168</span>: @cython.boundscheck(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">169</span>: @cython.nonecheck(False)</pre>
<pre class="cython line score-0"> <span class="">170</span>: def encodedBitmap_Bytes_nonumpy1DBlock(list surfOrFile not None):</pre>
<pre class="cython line score-0"> <span class="">171</span>: </pre>
<pre class="cython line score-0"> <span class="">172</span>: # Make room for rleData</pre>
<pre class="cython line score-0"> <span class="">173</span>: cdef templatemv = array.array('B')</pre>
<pre class="cython line score-0"> <span class="">174</span>: cdef rleData = array.array('B')</pre>
<pre class="cython line score-0"> <span class="">175</span>: rleData = array.clone(templatemv, 3686400, zero=False)</pre>
<pre class="cython line score-0"> <span class="">176</span>: </pre>
<pre class="cython line score-0"> <span class="">177</span>: # Some constants for nr of pixels and last pixelnr</pre>
<pre class="cython line score-0"> <span class="">178</span>: cdef unsigned int nrPixels = 3686400 #(width, height) = (1440, 2560)</pre>
<pre class="cython line score-0"> <span class="">179</span>: cdef unsigned int lastPixel = nrPixels - 1</pre>
<pre class="cython line score-0"> <span class="">180</span>: </pre>
<pre class="cython line score-0"> <span class="">181</span>: # Count number of pixels with same color up until 0x7D/125 repetitions</pre>
<pre class="cython line score-0"> <span class="">182</span>: cdef unsigned char color = 0</pre>
<pre class="cython line score-0"> <span class="">183</span>: cdef unsigned char prevColor = 0</pre>
<pre class="cython line score-0"> <span class="">184</span>: cdef unsigned char black = 0</pre>
<pre class="cython line score-0"> <span class="">185</span>: cdef unsigned char white = 1</pre>
<pre class="cython line score-0"> <span class="">186</span>: cdef unsigned char nocolor=3</pre>
<pre class="cython line score-0"> <span class="">187</span>: cdef unsigned char r</pre>
<pre class="cython line score-0"> <span class="">188</span>: cdef unsigned char nrOfColor = 0</pre>
<pre class="cython line score-0"> <span class="">189</span>: cdef unsigned char encValue = 0</pre>
<pre class="cython line score-0"> <span class="">190</span>: cdef unsigned int pixelNr</pre>
<pre class="cython line score-0"> <span class="">191</span>: cdef unsigned int isLastPixel = False</pre>
<pre class="cython line score-0"> <span class="">192</span>: cdef unsigned int nrBytes=0</pre>
<pre class="cython line score-0"> <span class="">193</span>: prevColor = nocolor</pre>
<pre class="cython line score-0"> <span class="">194</span>: for pixelNr in range(nrPixels):</pre>
<pre class="cython line score-0"> <span class="">195</span>: r = surfOrFile[pixelNr]</pre>
<pre class="cython line score-0"> <span class="">196</span>: if (r and 0b10000000): #if (r<128)</pre>
<pre class="cython line score-0"> <span class="">197</span>: color = white</pre>
<pre class="cython line score-0"> <span class="">198</span>: else:</pre>
<pre class="cython line score-0"> <span class="">199</span>: color = black</pre>
<pre class="cython line score-0"> <span class="">200</span>: if prevColor == nocolor: prevColor = color</pre>
<pre class="cython line score-0"> <span class="">201</span>: isLastPixel = (pixelNr == lastPixel)</pre>
<pre class="cython line score-0"> <span class="">202</span>: if color == prevColor and nrOfColor < 0x7D and not isLastPixel:</pre>
<pre class="cython line score-0"> <span class="">203</span>: nrOfColor = nrOfColor + 1</pre>
<pre class="cython line score-0"> <span class="">204</span>: else:</pre>
<pre class="cython line score-0"> <span class="">205</span>: # print (color,nrOfColor,nrOfColor<<1)</pre>
<pre class="cython line score-0"> <span class="">206</span>: encValue = (prevColor << 7) | nrOfColor # push color (B/W) to highest bit and repetitions to lowest 7 bits.</pre>
<pre class="cython line score-0"> <span class="">207</span>: rleData[nrBytes]=encValue</pre>
<pre class="cython line score-0"> <span class="">208</span>: nrBytes = nrBytes+1</pre>
<pre class="cython line score-0"> <span class="">209</span>: prevColor = color</pre>
<pre class="cython line score-0"> <span class="">210</span>: nrOfColor = 1</pre>
<pre class="cython line score-0"> <span class="">211</span>: </pre>
<pre class="cython line score-0"> <span class="">212</span>: # Remove excess bytes and return rleData</pre>
<pre class="cython line score-0"> <span class="">213</span>: array.resize(rleData,nrBytes)</pre>
<pre class="cython line score-0"> <span class="">214</span>: return bytes(rleData)</pre>
<pre class="cython line score-0"> <span class="">215</span>: </pre>
<pre class="cython line score-0"> <span class="">216</span>: </pre>
<pre class="cython line score-0"> <span class="">217</span>: </pre>
<pre class="cython line score-0"> <span class="">218</span>: </pre>
<pre class="cython line score-0"> <span class="">219</span>: import numpy</pre>
<pre class="cython line score-0"> <span class="">220</span>: cimport numpy</pre>
<pre class="cython line score-0"> <span class="">221</span>: #ctypedef numpy.npy_float FLOAT</pre>
<pre class="cython line score-0"> <span class="">222</span>: #ctypedef numpy.npy_intp INTP</pre>
<pre class="cython line score-0"> <span class="">223</span>: </pre>
<pre class="cython line score-0"> <span class="">224</span>: #!python</pre>
<pre class="cython line score-0"> <span class="">225</span>: @cython.boundscheck(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">226</span>: @cython.wraparound(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">227</span>: def encodedBitmap_Bytes_withnumpy(numpy.ndarray[numpy.npy_uint8,ndim=1] x):</pre>
<pre class="cython line score-0"> <span class="">228</span>: </pre>
<pre class="cython line score-0"> <span class="">229</span>: # Encoding magic</pre>
<pre class="cython line score-0"> <span class="">230</span>: cdef unsigned int n=0</pre>
<pre class="cython line score-0"> <span class="">231</span>: cdef numpy.ndarray[numpy.npy_int64, ndim = 1] starts # npy_int64</pre>
<pre class="cython line score-0"> <span class="">232</span>: cdef numpy.ndarray[numpy.npy_int64, ndim = 1] lengths# npy_int64</pre>
<pre class="cython line score-0"> <span class="">233</span>: cdef numpy.ndarray[numpy.npy_uint8, ndim = 1] values # npy_uint8</pre>
<pre class="cython line score-0"> <span class="">234</span>: </pre>
<pre class="cython line score-0"> <span class="">235</span>: where = numpy.flatnonzero</pre>
<pre class="cython line score-0"> <span class="">236</span>: n = len(x)</pre>
<pre class="cython line score-0"> <span class="">237</span>: starts = numpy.r_[0, where(~numpy.isclose(x[1:], x[:-1], equal_nan=True)) + 1]</pre>
<pre class="cython line score-0"> <span class="">238</span>: lengths = numpy.diff(numpy.r_[starts, n])</pre>
<pre class="cython line score-0"> <span class="">239</span>: values = x[starts]</pre>
<pre class="cython line score-0"> <span class="">240</span>: </pre>
<pre class="cython line score-0"> <span class="">241</span>: # Reduce repetitions of color to max 0x7D/125 and store in bytearray</pre>
<pre class="cython line score-0"> <span class="">242</span>: rleData = bytearray()</pre>
<pre class="cython line score-0"> <span class="">243</span>: cdef unsigned int nr=0</pre>
<pre class="cython line score-0"> <span class="">244</span>: cdef unsigned int col=0</pre>
<pre class="cython line score-0"> <span class="">245</span>: cdef unsigned char color=0</pre>
<pre class="cython line score-0"> <span class="">246</span>: cdef unsigned char encValue = 0</pre>
<pre class="cython line score-0"> <span class="">247</span>: </pre>
<pre class="cython line score-0"> <span class="">248</span>: cdef unsigned int l=len(lengths)</pre>
<pre class="cython line score-0"> <span class="">249</span>: cdef unsigned int i=0</pre>
<pre class="cython line score-0"> <span class="">250</span>: for i in range (0,l):</pre>
<pre class="cython line score-0"> <span class="">251</span>: nr=lengths[i]</pre>
<pre class="cython line score-0"> <span class="">252</span>: col=values[i]</pre>
<pre class="cython line score-0"> <span class="">253</span>: # color = (abs(col)>1) # slow</pre>
<pre class="cython line score-0"> <span class="">254</span>: color = 1 if col else 0 # fast</pre>
<pre class="cython line score-0"> <span class="">255</span>: while nr > 0x7D:</pre>
<pre class="cython line score-0"> <span class="">256</span>: encValue = (color << 7) | 0x7D</pre>
<pre class="cython line score-0"> <span class="">257</span>: rleData.append(encValue)</pre>
<pre class="cython line score-0"> <span class="">258</span>: nr = nr - 0x7D</pre>
<pre class="cython line score-0"> <span class="">259</span>: encValue = (color << 7) | nr</pre>
<pre class="cython line score-0"> <span class="">260</span>: rleData.append(encValue)</pre>
<pre class="cython line score-0"> <span class="">261</span>: </pre>
<pre class="cython line score-0"> <span class="">262</span>: # Needed is an byte string, so convert</pre>
<pre class="cython line score-0"> <span class="">263</span>: return bytes(rleData)</pre>
<pre class="cython line score-0"> <span class="">264</span>: </pre>
<pre class="cython line score-0"> <span class="">265</span>: #import numpy as numpy</pre>
<pre class="cython line score-0"> <span class="">266</span>: #cimport numpy as numpy</pre>
<pre class="cython line score-0"> <span class="">267</span>: #DTYPE = numpy.uint8</pre>
<pre class="cython line score-0"> <span class="">268</span>: #ctypedef numpy.uint8_t DTYPE_t</pre>
<pre class="cython line score-0"> <span class="">269</span>: #!python</pre>
<pre class="cython line score-0"> <span class="">270</span>: @cython.boundscheck(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">271</span>: @cython.wraparound(False) # turn off bounds-checking</pre>
<pre class="cython line score-0"> <span class="">272</span>: def encodedBitmap_Bytes_withnumpy2(numpy.ndarray[DTYPE_t,ndim=1] x):</pre>
<pre class="cython line score-0"> <span class="">273</span>: </pre>
<pre class="cython line score-0"> <span class="">274</span>: # Encoding magic</pre>
<pre class="cython line score-0"> <span class="">275</span>: cdef unsigned int n=0</pre>
<pre class="cython line score-0"> <span class="">276</span>: cdef numpy.ndarray[numpy.npy_int64, ndim = 1] starts # npy_int64</pre>
<pre class="cython line score-0"> <span class="">277</span>: cdef numpy.ndarray[numpy.npy_int64, ndim = 1] lengths# npy_int64</pre>
<pre class="cython line score-0"> <span class="">278</span>: cdef numpy.ndarray[numpy.npy_uint8, ndim = 1] values # npy_uint8</pre>
<pre class="cython line score-0"> <span class="">279</span>: </pre>
<pre class="cython line score-0"> <span class="">280</span>: where = numpy.flatnonzero</pre>
<pre class="cython line score-0"> <span class="">281</span>: n = len(x)</pre>
<pre class="cython line score-0"> <span class="">282</span>: starts = numpy.r_[0, where(~numpy.isclose(x[1:], x[:-1], equal_nan=True)) + 1]</pre>
<pre class="cython line score-0"> <span class="">283</span>: lengths = numpy.diff(numpy.r_[starts, n])</pre>
<pre class="cython line score-0"> <span class="">284</span>: values = x[starts]</pre>
<pre class="cython line score-0"> <span class="">285</span>: </pre>
<pre class="cython line score-0"> <span class="">286</span>: # Reduce repetitions of color to max 0x7D/125 and store in bytearray</pre>
<pre class="cython line score-0"> <span class="">287</span>: cdef numpy.ndarray[DTYPE_t, ndim = 1] rleData = numpy.zeros((3686400), dtype=DTYPE)</pre>
<pre class="cython line score-0"> <span class="">288</span>: cdef unsigned int nr=0</pre>
<pre class="cython line score-0"> <span class="">289</span>: cdef unsigned int col=0</pre>
<pre class="cython line score-0"> <span class="">290</span>: cdef unsigned char color=0</pre>
<pre class="cython line score-0"> <span class="">291</span>: cdef unsigned char encValue = 0</pre>
<pre class="cython line score-0"> <span class="">292</span>: </pre>
<pre class="cython line score-0"> <span class="">293</span>: cdef unsigned int l=len(lengths)</pre>
<pre class="cython line score-0"> <span class="">294</span>: cdef unsigned int i=0</pre>
<pre class="cython line score-0"> <span class="">295</span>: cdef unsigned int nrBytes = 0</pre>
<pre class="cython line score-0"> <span class="">296</span>: </pre>
<pre class="cython line score-0"> <span class="">297</span>: for i in range (0,l):</pre>
<pre class="cython line score-0"> <span class="">298</span>: nr=lengths[i]</pre>
<pre class="cython line score-0"> <span class="">299</span>: col=values[i]</pre>
<pre class="cython line score-0"> <span class="">300</span>: # color = (abs(col)>1) # slow</pre>
<pre class="cython line score-0"> <span class="">301</span>: color = 1 if col else 0 # fast</pre>
<pre class="cython line score-0"> <span class="">302</span>: while nr > 0x7D:</pre>
<pre class="cython line score-0"> <span class="">303</span>: encValue = (color << 7) | 0x7D</pre>
<pre class="cython line score-0"> <span class="">304</span>: rleData[nrBytes] = encValue</pre>
<pre class="cython line score-0"> <span class="">305</span>: nrBytes = nrBytes + 1</pre>
<pre class="cython line score-0"> <span class="">306</span>: nr = nr - 0x7D</pre>
<pre class="cython line score-0"> <span class="">307</span>: encValue = (color << 7) | nr</pre>
<pre class="cython line score-0"> <span class="">308</span>: rleData[nrBytes] = encValue</pre>
<pre class="cython line score-0"> <span class="">309</span>: nrBytes = nrBytes + 1</pre>
<pre class="cython line score-0"> <span class="">310</span>: </pre>
<pre class="cython line score-0"> <span class="">311</span>: # Needed is an byte string, so convert</pre>
<pre class="cython line score-0"> <span class="">312</span>: rleData = rleData[:nrBytes]</pre>
<pre class="cython line score-0"> <span class="">313</span>: return bytes(rleData)</pre>
<pre class="cython line score-0"> <span class="">314</span>: </pre>
<pre class="cython line score-0"> <span class="">315</span>: """</pre>
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